Canvas HTML Button
From MusicTechWiki
Widget to create a button that will only display on Canvas pages. This is not a Button for MTW and it will display as a standard link.
This button takes two parameters. To make the button above it used the following:
{{#widget:Canvas HTML Button
|url=https://example.com
|text=Example dot Com
|icon=plus}}
{{#widget:Canvas HTML Button|url=https://example.com|text=Example dot Com|icon=forward|background=#142849|color=#f9f9f9}}